CN108757869A - Movement conversion mechanism - Google Patents
Movement conversion mechanism Download PDFInfo
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- CN108757869A CN108757869A CN201810956006.4A CN201810956006A CN108757869A CN 108757869 A CN108757869 A CN 108757869A CN 201810956006 A CN201810956006 A CN 201810956006A CN 108757869 A CN108757869 A CN 108757869A
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- worm screw
- elastic component
- conversion mechanism
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- pressure part
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- 230000033001 locomotion Effects 0.000 title claims abstract description 51
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000036316 preload Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000237858 Gastropoda Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/2003—Screw mechanisms with arrangements for taking up backlash
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
- F16H25/2409—Elements essential to such mechanisms, e.g. screws, nuts one of the threads being replaced by elements specially formed for engaging the screw or nut, e.g. pins, racks, toothed belts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
- F16H25/20—Screw mechanisms
- F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
- F16H2025/2445—Supports or other means for compensating misalignment or offset between screw and nut
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Gear Transmission (AREA)
Abstract
The present invention provides a kind of movement conversion mechanism, the problem of conversion for realizing linear motion and rotary motion.The present invention provides a kind of movement conversion mechanism, including：Axial pressure part, the first worm screw, first worm screw and axial pressure part coaxial arrangement, first worm screw one end and the axial pressure part are by circumferentially rotating secondary cooperation；Fixing sleeve, the fixing sleeve inside are equipped with the first internal helix spline, first internal helix spline and first worm screw engagement.Axial pressure part, which moves downward to press the first worm screw, to be moved downward, due to the first internal helix spline engagement in the first worm screw and fixing sleeve, fixing sleeve is fixed structure, therefore the first worm screw also has rotational motion during moving downward, to realize the conversion of movement, then collocation selection can be carried out to subsequent driving parts according to the demand of actual transmission.
Description
Technical field
The present invention relates to mechanical transmission fields, more particularly to a kind of movement conversion mechanism.
Background technology
Common linear motion and the mechanism common practice of rotary motion conversion are as follows：
1, rack output gear move, rack perpendicular to output gear shaft, rack and output gear engagement, work as rack
When linear motion, rack drives output gear rotation, i.e., by the linear motion conversion of rack for the rotational motion of output gear.
2, ball screw is to convert rotary motion to linear motion, or by ideal that transform linear motion is rotary motion
Product.There are many structural shapes for ball screw pair.It is divided into outer circulation and interior cycle two major classes by ball-recirculation mode.Outer circulation
Ball-returning device cannula type it is more, it is interior cycle ball-returning device kidney slot abaculus formula it is more.
It is divided into two kinds of section shapes of single circular arc and bicircular arcs by the cross-sectional shape of thread tracks.Due to bicircular arcs section shape axial rigidity
More than single circular arc section shape, therefore the leading screw of bicircular arcs section shape is generally used at present.
By preload form point, single nut can be divided into and increase steel ball without preload, the preload of single nut displacement helical pitch, single nut
Radial tightening, double nut gasket pre-tighten, double nut difference tooth pre-tightens, Double-nut threaded pre-tightening.Double nut pad is commonly used on numerically-controlled machine tool
Chip pre-tightens, and pretightning force is generally the 1/3 of axial load.
Ball screw relatively has many good qualities with sliding bar pair of nut：Transmission efficiency, high sensitivity, stable drive：Mill
Damage small, long lifespan；Axial gap, progress axial rigidity etc. can be eliminated.
Invention content
In view of the foregoing deficiencies of prior art, it the purpose of the present invention is to provide a kind of movement conversion mechanism, is used for
The problem of realizing linear motion and rotary motion conversion.
In order to achieve the above objects and other related objects, the present invention provides a kind of movement conversion mechanism, including：
Axial pressure part,
First worm screw, first worm screw and axial pressure part coaxial arrangement, first worm screw one end and described
Axial pressure part is by circumferentially rotating secondary cooperation；
Fixing sleeve, the fixing sleeve inside are equipped with the first internal helix spline, first internal helix spline and described first
Worm screw engages.
The invention is realized in this way axial pressure part is moved downward to press the first worm screw and be moved downward, due to
The first internal helix spline engagement in one worm screw and fixing sleeve, fixing sleeve is fixed structure, therefore the first worm screw was moving downward
There is rotational motion in journey, it, then can be according to the demand of actual transmission, to subsequent transmission zero to realize the conversion of movement
Part carries out collocation selection.
Further, the axial pressure part is equipped with guide and limit part, and the guide and limit part is for limiting the axis
To the rotation displacement of pressing piece, the guide and limit part is additionally operable in the axial direction be oriented to the axial pressure part.
Further, the guide and limit part is L-shaped rod-like structure, guide and limit part one end and the axial pressure
Part is fixed, and the guide and limit part other end activity passes through a pilot hole.
Further, first worm screw is equipped with first axis position limiting structure, and the first axis position limiting structure is used for
Limit the extreme displacement that first worm screw stretches into the fixing sleeve.
Further, the first elastic component is equipped at the first axis position limiting structure, first elastic component is used for institute
State the first worm screw return.
Further, between first worm screw and the axial pressure part be equipped with the second worm screw, second worm screw and
The axial pressure part is by circumferentially rotating secondary cooperation；
First worm screw is equipped with axial hole, and the second internal helix spline is equipped in the axial hole；
The upper end of second worm screw and second internal helix spline engagement, second worm screw is equipped with the second axial limit
Bit architecture；
The second elastic component is equipped at second worm screw, second elastic component is used for the second worm screw return, institute
Two end movements for stating the second elastic component are limited by second axial limit structure and the first worm screw end face respectively.
Further, the first axis position limiting structure is multi-diameter shaft and stepped hole, first elastic component and described the
Two elastic components are spring, and first elastic component is sleeved on the multi-diameter shaft of first worm screw lower end, the second elastic component set
On second worm screw.
Further, further include output gear, the output gear and second worm screw are coaxially fixed, the output gear
The reference diameter of wheel is more than the reference diameter of second worm screw, the output gear and second worm screw junction shape
At second axial limit structure；
The reference diameter of first worm screw is more than the reference diameter of second worm screw.
Further, the coefficient of elasticity of first elastic component is less than the coefficient of elasticity of second elastic component.
Further, the output gear and an output rack engagement, alternatively, the output gear and at least one biography
Moving gear engages；
And/or
First worm screw and an output worm screw engagement, alternatively, first worm screw and an output gear band engagement.
As described above, the movement conversion mechanism of the present invention, has the advantages that：
One, linear motion can be converted to rotary motion, and compact-sized.
Two, by the setting of output gear, the unrestricted choice of multiple outputs is realized, improves its application range.
Three, by the setting of elastic component, self-return is realized, operation is more convenient.
Four, by the setting of the different coefficient of elasticity of the first elastic component and the second elastic component, the ranks of two output are realized
Section property output.
Description of the drawings
Fig. 1 is shown as the stereogram of the movement conversion mechanism embodiment one of the present invention.
Fig. 2 is shown as the sectional view of the movement conversion mechanism embodiment one of the present invention.
Fig. 3 is shown as the stereogram of the movement conversion mechanism embodiment two of the present invention.
Fig. 4 is shown as the sectional view of the movement conversion mechanism embodiment two of the present invention.
Fig. 5 is shown as the stereogram (being not drawn into pedestal) of the movement conversion mechanism embodiment three of the present invention.
Fig. 6 is shown as the stereogram (being not drawn into pedestal) of the movement conversion mechanism example IV of the present invention.
Component label instructions
1 axial pressure part
2 first worm screws
3 fixing sleeves
31 first internal helix splines
11 guide and limit parts
21 first axis position limiting structures
211 first elastic components
4 second worm screws
41 second axial limit structures
22 axial holes
221 second internal helix splines
411 second elastic components
5 output gears
6 output gear bands
7 transmission gears
8 output racks
9 output worm screws
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this explanations by particular specific embodiment below
Content disclosed by book understands other advantages and effect of the present invention easily.
It please refers to Fig.1 to Fig. 6.It should be clear that structure, ratio, size etc. depicted in this specification institute accompanying drawings, only to
Coordinate the revealed content of specification, so that those skilled in the art understands and reads, being not limited to the present invention can be real
The qualifications applied, therefore do not have technical essential meaning, the tune of the modification of any structure, the change of proportionate relationship or size
It is whole, in the case where not influencing the effect of present invention can be generated and the purpose that can reach, should all still fall in disclosed skill
In the range of art content can cover.Meanwhile in this specification it is cited as "upper", "lower", "left", "right", " centre " and
The term of " one " etc. is merely convenient to being illustrated for narration, rather than to limit the scope of the invention, relativeness
It is altered or modified, in the case where changing technology contents without essence, when being also considered as the enforceable scope of the present invention.
Embodiment one, please refers to Fig.1 and Fig. 2, the present invention provide a kind of movement conversion mechanism, including：
Axial pressure part 1,
First worm screw 2, first worm screw 2 and the axial pressure part 1 coaxial arrangement, described first worm screw, 2 one end and
The axial pressure part 1 is by circumferentially rotating secondary cooperation；It is more to circumferentially rotate secondary fit system, is not listed one by one herein, with
For bearing pair, in the example shown be bearing, i.e. the upper end of the first worm screw 2 is equivalent to be fixed with the outer ring of bearing, is axially applied
The inner ring being equivalent to bearing that places an order of casting die 1, is provided with multiple steel balls between bearing inner race and outer ring.
Fixing sleeve 3,3 inside of the fixing sleeve are equipped with the first internal helix spline 31, first internal helix spline 31 and institute
State the engagement of the first worm screw 2.
Workflow, axial pressure part 1, which moves downward to press the first worm screw 2, to be moved downward, due to 2 He of the first worm screw
The first internal helix spline 31 engagement in fixing sleeve 3, fixing sleeve 3 is fixed structure, therefore the first worm screw 2 is during moving downward
Also rotational motion, to realize the conversion of movement, then can according to the demand of actual transmission, to subsequent driving parts into
Row collocation selection.
Optionally, it please refers to Fig.1 and Fig. 2, the axial pressure part 1 is equipped with guide and limit part 11, the guide and limit
Part 11 is used to limit the rotation displacement of the axial pressure part 1, and the guide and limit part 11 is additionally operable in the axial direction to the axis
It is oriented to pressing piece 1.
Optionally, it please refers to Fig.1 and Fig. 2, the guide and limit part 11 is L-shaped rod-like structure, the guide and limit part 11
One end and the axial pressure part 1 are fixed, and 11 other end activity of the guide and limit part passes through a pilot hole.
By the setting of guide and limit part 11, avoids axial pressure part 1 from rotating and ensure that it is moved in the axial direction
And it does not shift.
Optionally, it please referring to Fig.1 and Fig. 2, first worm screw 2 is equipped with first axis position limiting structure 21, and described first
Axial limit structure 21 is for limiting the extreme displacement that first worm screw 2 stretches into the fixing sleeve 3.
Effectively limit its displacement stretched into fixing sleeve 3 so that its action is more reliable and stable.
The difference part of embodiment two, embodiment two and embodiment one is, please refers to Fig. 3 and Fig. 4, the first axis
The first elastic component 211 is equipped at position limiting structure 21, first elastic component 211 is used for 2 return of the first worm screw.
2 effective return of the first worm screw, operation can be allowed more convenient.
Optionally, Fig. 3 and Fig. 4 are please referred to, the second worm screw is equipped between first worm screw 2 and the axial pressure part 1
4, second worm screw 4 and the axial pressure part 1 are by circumferentially rotating secondary cooperation；
First worm screw 2 is equipped with axial hole 22, and the second internal helix spline 221 is equipped in the axial hole 22；
Second worm screw 4 and second internal helix spline 221 engagement, the upper end of second worm screw 4 are equipped with second
Axial limit structure 41；
The second elastic component 411 is equipped at second worm screw 4, second elastic component 411 is used for second worm screw 4
Two end movements of return, second elastic component 411 are limited by 41 and first worm screw of the second axial limit structure, 2 end face respectively
System.
Optionally, Fig. 3 and Fig. 4 are please referred to, the first axis position limiting structure 21 is multi-diameter shaft and stepped hole, described first
Elastic component 211 and second elastic component 411 are spring, and first elastic component 211 is sleeved on the rank of 2 lower end of the first worm screw
On terraced axis, second elastic component 411 is sleeved on second worm screw 4.
Optionally, Fig. 3 and Fig. 4 are please referred to, further includes output gear 5, the output gear 5 and second worm screw 4 are same
Axis is fixed, and the reference diameter of the output gear 5 is more than the reference diameter of second worm screw 4,5 He of the output gear
Second worm screw, 4 junction forms second axial limit structure 41；The reference diameter of first worm screw is more than institute
State the reference diameter of the second worm screw.
By being further added by second worm screw 4 on the basis of the first worm screw 2, and elastic component is respectively set, Yi Jizeng
Add output gear 5 so that other than the first worm screw 2 can be used as output end, output gear 5 can also be used as output end,
The diversity of output is realized, its self-return may be implemented in elastic component.
Optionally, Fig. 3 and Fig. 4 are please referred to, the coefficient of elasticity of first elastic component 211 is more than second elastic component
411 coefficient of elasticity.
At work, axial pressure part 1 pulls down the second worm screw 4, is 411 stress of the second elastic component first at this time, so
After transmit the force to the first worm screw 2, then the first worm screw 2 again by pressure transmission give the first elastic component 211, due to the first elastic component
211 coefficient of elasticity is smaller, deforms and is easier relative to the second elastic component 411, therefore when just beginning, the first elastic component
211 first deform or the deformation of the second elastic component of deformation ratio 411 of the first elastic component 211 is big, so as to cause the first worm screw 2
Opposite variation occurs with the depth of engagement of the first internal helix spline 31, the first worm screw 2 and the second worm screw 4 rotate at this time,
After dynamics reaches to a certain degree, the first elastic component 211 is deformed to extreme position, the second worm screw 4 and the second internal helix spline 221
The depth of engagement still can change, the first worm screw 2 does not rotate at this time, and the second worm screw 4 is further deep into the first snail
In first internal helix spline of bar 2, the first worm screw 2 does not rotate at this time, and the second worm screw 4 moves downward and rotates, and passes through above
The rotation of one worm screw 2 and the second worm screw 4 and the variation not rotated
Following embodiment is the restriction carried out on the basis of embodiment two,
Embodiment three, referring to Fig. 5, first worm screw 2 and output gear band 6 engage, the output gear 5 and extremely
A few transmission gear 7 engages.It may be implemented to export while output gear band 6 and transmission gear 7.Output gear band 6 is with first
When worm screw 2 engages, since output gear band 6 has certain flexibility, the lateral output gear band in the not tooth of output gear band 6 is needed
6 apply pressure so that it can effectively be engaged with the first worm screw 2.
Example IV, referring to Fig. 6, the output gear 5 and an output rack 8 engage, first worm screw 2 and one
A output worm screw 9 engages.Output gear 5 may be implemented and export the engagement of rack 8, realize primary output, it can also be by the
Secondary output is realized in one worm screw 2 and the output engagement of worm screw 9.
Embodiment five, first worm screw 2 and an output gear band 6 engage, the output gear 5 and an output rack
8 engagements.
Embodiment six, the output gear 5 and at least one transmission gear 7 engage, first worm screw 2 and an output
Worm screw 9 engages.
In embodiment three, four, five and six, the way of output of one of them can be only selected, dual output is not necessarily carried out
Selection, in the case where a combination thereof can be implemented, independent output selection also can be achieved on, and not arrange one by one herein
It lifts.
In conclusion linear motion can be converted to rotary motion by the present invention, and it is compact-sized.Pass through output gear 5
Setting, realize the unrestricted choice of multiple outputs, improve its application range.By the setting of elastic component, automatic return is realized
Position, operation are more convenient.By the setting of the different coefficient of elasticity of the first elastic component 211 and the second elastic component 411, two are realized
The interim output of a output.So the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization
Value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
1. a kind of movement conversion mechanism, which is characterized in that including：
Axial pressure part,
First worm screw, first worm screw and axial pressure part coaxial arrangement, first worm screw one end and the axial direction
Pressing piece is by circumferentially rotating secondary cooperation；
Fixing sleeve, the fixing sleeve inside are equipped with the first internal helix spline, first internal helix spline and first worm screw
Engagement.
2. movement conversion mechanism according to claim 1, it is characterised in that：The axial pressure part is equipped with guide and limit
Part, the guide and limit part are used to limit the rotation displacement of the axial pressure part, and the guide and limit part is additionally operable in axial direction
On the axial pressure part is oriented to.
3. movement conversion mechanism according to claim 2, it is characterised in that：The guide and limit part is L-shaped rod-like structure,
Guide and limit part one end and the axial pressure part are fixed, and the guide and limit part other end activity passes through a guiding
Hole.
4. movement conversion mechanism according to claim 1, it is characterised in that：First worm screw limits equipped with first axis
Bit architecture, the first axis position limiting structure is for limiting the extreme displacement that first worm screw stretches into the fixing sleeve.
5. movement conversion mechanism according to claim 4, it is characterised in that：The is equipped at the first axis position limiting structure
One elastic component, first elastic component are used for the first worm screw return.
6. movement conversion mechanism according to claim 5, it is characterised in that：First worm screw and the axial pressure part
Between be equipped with the second worm screw, second worm screw and the axial pressure part are by circumferentially rotating secondary cooperation；
First worm screw is equipped with axial hole, and the second internal helix spline is equipped in the axial hole；
Second worm screw and second internal helix spline engagement, the upper end of second worm screw are equipped with the second axial limiting knot
Structure；
The second elastic component is equipped at second worm screw, second elastic component is used for the second worm screw return, and described the
Two end movements of two elastic components are limited by second axial limit structure and the first worm screw end face respectively.
7. movement conversion mechanism according to claim 6, it is characterised in that：The first axis position limiting structure is multi-diameter shaft
And stepped hole, first elastic component and second elastic component are spring, and first elastic component is sleeved on first worm screw
On the multi-diameter shaft of lower end, second elastic component is sleeved on second worm screw.
8. movement conversion mechanism according to claim 7, it is characterised in that：Further include output gear, the output gear
It is coaxially fixed with second worm screw, the reference diameter of the output gear is more than the reference diameter of second worm screw,
The output gear and second worm screw junction form second axial limit structure；
The reference diameter of first worm screw is more than the reference diameter of second worm screw.
9. movement conversion mechanism according to claim 8, it is characterised in that：The coefficient of elasticity of first elastic component is less than
The coefficient of elasticity of second elastic component.
10. movement conversion mechanism according to claim 8 or claim 9, it is characterised in that：The output gear and an output gear
Item engages, alternatively, the output gear and the engagement of at least one transmission gear；
And/or
First worm screw and an output worm screw engagement, alternatively, first worm screw and an output gear band engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810956006.4A CN108757869A (en) | 2018-08-21 | 2018-08-21 | Movement conversion mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810956006.4A CN108757869A (en) | 2018-08-21 | 2018-08-21 | Movement conversion mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108757869A true CN108757869A (en) | 2018-11-06 |
Family
ID=63967609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810956006.4A Pending CN108757869A (en) | 2018-08-21 | 2018-08-21 | Movement conversion mechanism |
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| CN (1) | CN108757869A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110859197A (en) * | 2019-12-07 | 2020-03-06 | 裴学华 | Pedal type rolling table |
| CN112211979A (en) * | 2020-09-27 | 2021-01-12 | 西北工业大学 | Planet roller trochoid curved surface composite transmission device |
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| CN110859197B (en) * | 2019-12-07 | 2021-09-28 | 义乌市择木工业产品设计有限公司 | Pedal type rolling table |
| CN112211979A (en) * | 2020-09-27 | 2021-01-12 | 西北工业大学 | Planet roller trochoid curved surface composite transmission device |
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